The distance from pipe boundary, at which the turbulent shear stress is one-thir

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Question

The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is_______________?

Options:

A . 1/3 R

B . 1/2 R

C . 2/3 R

D . 3/4R

Answer: Option A
WHERE R IS THE RADIUS OF PIPE

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